The oven temperature
was programmed as follows: 60 C held for 1 min, ramp at
30 C min1 to 180 C, held for 3 min, ramp at 3 C min1 to 220 C,
held for 3 min, ramp at 10 C min1 to 300 C. Nitrogenwas used as
carrier gas at a flow rate of 1.0 mL min1 and make up gas of
29 mL min1